<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <div id="app">
        <ul>
            <li v-for="(user,index) in users" :key="user.name" v-if="user.gender=='女'">
                <!-- 1.显示user信息：v-for="item in items" -->
                当前索引：{{index}} {{user.name}}==={{user.gender}}==={{user.age}}<br/>
                <!-- 2.获取数组下标：v-for="(item,index) in items" -->
                <!-- 3.遍历对象
                    v-for="value in object"
                    v-for="(value,key) in object"
                    v-for="(value,key,index) in object"
                -->
                对象信息：
                <span v-for="(v,k,i) in user">{{k}}-->{{v}}==={{i}}；</span>
                <!-- 4.遍历的时候都加上:key来区分不同数据，提高vue渲染效率 -->
            </li>
        </ul>
        <ul>
            <li v-for="(num,index) in nums" :key="index">{{num}}</li>
        </ul>
    </div>

    <script src="../node_modules/vue/dist/vue.js"></script>
    <script>
        new Vue({
            el:'#app',
            data:{
                users:[{name:'张三',gender:'男',age:10},
                    {name:'李四',gender:'男',age:20},
                    {name:'小红',gender:'女',age:30}],
                nums:[1,2,3,4,5]
            }
        })
    </script>
</body>
</html>